<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>计算传入数据的平均值</title>

    <script>
        // 计算传入数据的平均值
        function avg(...values) {
            let sum = 0;
            for (var val of values) {
                sum += val;
            }
            return sum / values.length;
        }
         let result = avg(1, 2, 3)
         console.log(result);// 2
    </script>
</head>
<body>
    
</body>
</html>